package com.itheima.case2.web;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

public class BaseServlet extends HttpServlet {
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
                doGet(request,response);
    }
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
            String methodName = request.getParameter("methodName");
//            Class clazz = this.getClass();
        Class<? extends BaseServlet> clazz = this.getClass();

            try {
                Method m = clazz.getMethod(methodName, HttpServletRequest.class, HttpServletResponse.class);
                m.invoke(this, request, response);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

